ASN Lookup Tool

Telefônica Brasil S.A. telefonica.com.br BR BR 1037 Routes

AS Data

AS18881

AS18881 – Telefônica Brasil S.A.

AS Number 18881
AS Name 02.558.157/0001-62
Organization Telefônica Brasil S.A.
Country BR
Website telefonica.com.br
Number of IPv4 Routes 954
Number of IPv6 Routes 72
ASN type ISP
Registry lacnic
Date Allocated 2000-10-23

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IP Ranges

Route # IPs
177.43.128.0/21 2048
179.184.92.0/22 1024
187.114.128.0/20 4096
179.184.128.0/22 1024
187.58.32.0/19 8192
177.206.104.0/21 2048
177.133.64.0/19 8192
177.42.144.0/20 4096
177.133.224.0/19 8192
179.185.224.0/19 8192
191.251.48.0/20 4096
179.184.188.0/22 1024
179.178.64.0/21 2048
177.42.64.0/19 8192
186.212.240.0/20 4096
201.47.0.0/17 32768
177.158.32.0/19 8192
179.177.208.0/21 2048
177.40.160.0/19 8192
191.35.128.0/20 4096
191.248.224.0/19 8192
177.41.144.0/21 2048
189.58.96.0/19 8192
179.183.168.0/21 2048
179.162.128.0/19 8192
177.16.192.0/21 2048
179.180.224.0/20 4096
179.184.32.0/22 1024
177.41.176.0/20 4096
179.187.0.0/20 4096
179.185.20.0/22 1024
191.33.0.0/19 8192
179.186.96.0/20 4096
177.204.0.0/14 262144
191.34.112.0/20 4096
179.179.8.0/21 2048
187.115.160.0/19 8192
186.215.32.0/20 4096
189.59.0.0/21 2048
191.249.128.0/18 16384
2804:7f6:8000::/33 ~40×10²⁷
201.86.128.0/18 16384
2804:7f3:e000::/35 ~1×10³⁰
179.182.72.0/21 2048
191.32.176.0/20 4096
191.30.128.0/20 4096
179.185.160.0/22 1024
2804:7f0:4000::/34 ~20×10²⁷
201.22.0.0/18 16384
177.204.16.0/22 1024
200.139.64.0/20 4096
177.156.32.0/21 2048
177.43.224.0/21 2048
177.97.96.0/19 8192
191.32.32.0/19 8192
179.184.216.0/22 1024
177.204.168.0/21 2048
177.159.80.0/20 4096
177.17.32.0/19 8192
191.248.32.0/20 4096

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-10-10T09:26:52-03:00 - 138.94.216.120

aut-num:     AS18881
owner:       TELEF�NICA BRASIL S.A
ownerid:     02.558.157/0001-62
responsible: Diretoria de Planejamento e Tecnologia
country:     BR
owner-c:     ARITE
routing-c:   TEBSA15
abuse-c:     CSTBR
created:     20001023
changed:     20190730
inetnum:     200.175.0.0/18
inetnum:     200.175.64.0/18
inetnum:     200.175.128.0/18
inetnum:     200.175.192.0/18
inetnum:     200.146.0.0/18
inetnum:     200.139.64.0/18
inetnum:     200.146.64.0/18
inetnum:     201.22.0.0/16
inetnum:     201.47.0.0/16
inetnum:     201.86.0.0/16
inetnum:     189.26.0.0/15
inetnum:     189.58.0.0/15
inetnum:     189.114.0.0/15
inetnum:     187.58.0.0/15
inetnum:     187.112.0.0/14
inetnum:     186.212.0.0/14
inetnum:     2804:1b0::/31
inetnum:     177.16.0.0/14
inetnum:     177.40.0.0/14
inetnum:     177.96.0.0/14
inetnum:     2804:7f0::/29
inetnum:     177.132.0.0/14
inetnum:     177.156.0.0/14
inetnum:     177.204.0.0/14
inetnum:     179.176.0.0/14
inetnum:     179.180.0.0/14
inetnum:     179.184.0.0/14
inetnum:     191.248.0.0/14
inetnum:     191.32.0.0/14
inetnum:     2804:1b2::/31
inetnum:     2804:1b4::/30
inetnum:     179.95.0.0/16
inetnum:     179.83.0.0/16
inetnum:     179.162.0.0/16
inetnum:     191.30.0.0/16
inetnum:     191.31.0.0/16

nic-hdl-br:  ARITE
person:      Administra��o Rede IP Telesp
e-mail:      dominios-vivo.br@telefonica.com
country:     BR
created:     20080407
changed:     20230629

nic-hdl-br:  TEBSA15
person:      TELEFONICA BRASIL S.A
e-mail:      roteamento.br@telefonica.com
country:     BR
created:     20190530
changed:     20190530

nic-hdl-br:  CSTBR
person:      CSIRT TELEFONICA BR
e-mail:      abuse.br@telefonica.com
country:     BR
created:     20180713
changed:     20180713

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18881
ASName:         LACNIC-18881
ASHandle:       AS18881
RegDate:        2002-07-27
Updated:        2007-12-17
Comment:        This AS is under LACNIC responsibility for further allocations to
Comment:        users in LACNIC region.
Comment:        Please see http://www.lacnic.net/ for further details, or check the
Comment:        WHOIS server located at http://whois.lacnic.net
Ref:            https://rdap.arin.net/registry/autnum/18881

ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois
ResourceLink:  whois.lacnic.net


OrgName:        Latin American and Caribbean IP address Regional Registry
OrgId:          LACNIC
Address:        Rambla Republica de Mexico 6125
City:           Montevideo
StateProv:      
PostalCode:     11400
Country:        UY
RegDate:        2002-07-27
Updated:        2018-03-15
Ref:            https://rdap.arin.net/registry/entity/LACNIC

ReferralServer:  whois://whois.lacnic.net
ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois

OrgTechHandle: LACNIC-ARIN
OrgTechName:   LACNIC Whois Info
OrgTechPhone:  +598-2604-2222 
OrgTechEmail:  whois-contact@lacnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LACNIC-ARIN

OrgAbuseHandle: LWI100-ARIN
OrgAbuseName:   LACNIC Whois Info
OrgAbusePhone:  +598-2604-2222 
OrgAbuseEmail:  abuse@lacnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LWI100-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS262301 NETMIG TELECOM EIRELI BR
AS52890 Centro Integrado de Telemática do Exército BR
AS136907 HUAWEI INTERNATIONAL PTE. LTD. HK
AS269394 Mitas Internet Banda Larga Ltda BR
AS266992 Oliveira & Fernandes Telecomunicações Ltda BR
AS264275 ROLIM NET TECNOLOGIA LTDA BR
AS28581 Banco Santander Brasil S.A. BR
AS267130 MULVI Instituição de Pagamento S.A. BR
AS7195 EDGEUNO S.A.S CO
AS271303 Brayo LTDA BR
AS28177 NETWORKBRASIL Ltda. BR
AS264957 Coopercitrus Cooperativa de Produtores Rurais BR
AS22356 Durand do Brasil Ltda BR
AS4230 CLARO S.A. BR
AS262694 Link Centro de Informatica Ltda. BR
AS52958 Empr.Tec.Inform.Comun. Mun.SP PRODAM SP S/A BR
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS10429 TELEFÔNICA BRASIL S.A BR
AS27699 TELEFÔNICA BRASIL S.A BR
AS266533 ICNT PROVEDOR DE INTERNET LTDA BR
AS267192 TELCOM PROVEDOR DE ACESSO LTDA EPP BR
AS11993 BANCO DO BRASIL S.A. BR
AS270851 MGE NETWORK EIRELI BR
AS16509 Amazon.com, Inc. US
AS264051 PLAYMAIS FIBRA SCM LTDA BR
AS61588 DIGITAL PROVEDOR DE ACESSO A INTERNET LTDA BR
AS28571 UNIVERSIDADE DE SAO PAULO BR
AS264323 OXMAN TECNOLOGIA LTDA BR
AS271360 ICATU SEGUROS S/A BR
AS263278 CEA Telecom Serviços de Telecomunicações Ltda. BR
AS271362 BLUEIT TECNOLOGIA LTDA BR
AS262731 CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD BR
AS53111 Centro Educacional Nossa Senhora Auxiliadora BR
AS270521 IVAN LUCAS DEFANT ME BR
AS268018 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS21433 Accenture UK Limited GB
AS266602 ODATA S.A. BR
AS52938 EMA Comércio de Eletrônicos e Servicos Ltda. BR
AS263625 NEW WORLD PONTO COM INFORMATICA LTDA ME BR
AS263909 Prefeitura Municipal de Santos BR
AS1031 PEER 1031 LLC US
AS269080 AFIBRA TELECOM LTDA ME BR
AS52657 NORTE TELECOMUNICAÇÕES SERVIÇOS DE INTERNET LTDA BR
AS263347 CEDNET PROVEDOR INTERNET BR
AS7162 Universo Online S.A. BR
AS52688 FATIMA VIDEO ELETRONICA LTDA ME BR
AS270770 Sanasa Sociedade de Abastecimento de Agua e Saneam BR
AS61899 CERVEJARIA PETROPOLIS SA BR
AS267613 ELETRONET S.A. BR
AS268356 COMPANHIA ZAFFARI COMÉRCIO E INDÚSTRIA BR
AS61795 Arion Servicos de Telecomunicacoes LTDA BR
AS268171 YOU CONSULTORIA E SERVICOS LTDA BR
AS52915 Usina São José da Estiva S/A BR
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S. CO
AS274720 Loy S.A BR
AS265065 Ribernet Comunicações Ltda BR
AS264409 Huge Solucoes Corporativas Ltda BR
AS270980 Natal Conect Ltda BR
AS16685 TIVIT TERCEIRIZAÇÃO DE PROCESSOS, SERV. E TEC. S/A BR
AS262487 STARCHIP MONITORAMENTO E SEGURANCA LTDA BR

Upstreams

AS Number Description Country
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS10429 TELEFÔNICA BRASIL S.A BR

Downstreams

AS Number Description Country
AS262301 NETMIG TELECOM EIRELI BR
AS52890 Centro Integrado de Telemática do Exército BR
AS269394 Mitas Internet Banda Larga Ltda BR
AS266992 Oliveira & Fernandes Telecomunicações Ltda BR
AS264275 ROLIM NET TECNOLOGIA LTDA BR
AS28581 Banco Santander Brasil S.A. BR
AS267130 MULVI Instituição de Pagamento S.A. BR
AS271303 Brayo LTDA BR
AS28177 NETWORKBRASIL Ltda. BR
AS264957 Coopercitrus Cooperativa de Produtores Rurais BR

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Frequently Asked Questions

ASN AS18881 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18881 is listed under Telefônica Brasil S.A..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.